Capital International Airport - CNCC:
Distance: about 26 kilometers or 40 minutes drive (depending on specific traffic conditions)
Subway: Take Airport Express at the terminal, change to Subway Line 10 at SANYUANQIAO, and then change to Subway Line 8 at BEITUCHENG, get off at Olympic Green, exit A or E

Beijing Railway Station - CNCC:
Distance: about 16 kilometers
Subway: Take Subway Line 2 at Beijing Railway Station, and then change to Subway Line 8 at GULOUDAJIE, get off at Olympic Green, exit A or E

Beijing West Railway Station - CNCC:
Distance: about 21 kilometers
Subway: Take Subway Line 9 at Beijing West Railway Station, change to Subway Line 6 at BAISHIQIAO South, and then change to Subway Line 8 at NANLUOGUXIANG, get off at Olympic Green, exit A or E

Beijing South Railway Station - CNCC:
Distance: about 21kilometers
Subway: Take Subway Line 4 at Beijing South Railway Station, change to Subway Line 2 at XIZHIMEN, and then change to Subway Line 8 at GULOUDAJIE, get off at Olympic Green, exit A or E

Beijing North Railway Station - CNCC:
Distance: about 11kilometers
Subway: Take Subway Line 2 at Beijing North Railway Station, and then change to Subway Line 8 at GULOUDAJIE, get off at Olympic Green, exit A or E